Avril Lavigne made a special appearance on The Oprah Winfrey Show last week to help celebrate Oprah's "Rock Goddesses" of music. Avril ended up joining rock legend Pat Benatar on stage to sing an acoustic version of Pat's classic hit "Love Is A Battlefield." Check out their amazing performance below!

And if that's not enough, Avril took some time to sit down backstage to talk about her new album Goodbye Lullaby. Check out the revealing interview here!

In case you missed it, you can check out Avril's killer performance of her hit song "What the Hell", which she performed on The View! "What the Hell" is featured on Avril's new album Goodbye Lullaby which is available now. Watch the video and rock out!

Whirlwind Press Tour Includes Stops at Today Show, The View, Leno, Kimmel and More

Live Performance To Stream on Z100.com on March 9th

Global superstar Avril Lavigne is set to release her critically acclaimed fourth studio album, Goodbye Lullaby, today, available at retail and digital outlets nationwide. First single “What The Hell” is currently on MTV Hits, #5 on VH1’s Top 20 Countdown, on Fuse Top 20 Countdown, ranked in the Top 40 with video airplay in heavy rotation at MTV, and is a Top 10 most viewed video on Vevo.

New York Magazine just put in their review of Avril Lavigne's new single, "What The Hell," and they can't get enough of the infectious tune! If you haven't heard Avril's single yet, check it out here, then head on over to New York Magazine's website to see why they exclaim:

“What the Hell” is a straight-up "run home from the office to put your pajamas on in the middle of the day and jump up and down on your bed for hours and hours slumber party" anthem.

Can't wait for the release of Goodbye Lullaby on March 8th? Well now you can pre-order yourself a copy of the Deluxe Edition of Goodbye Lullaby. Featuring an exclusive cover, 4 additional tracks and the "Making of Goodbye Lullaby" DVD, this is certainly an amazing offer for any Avril fan. Pre-order from Amazon or from Avril Lavigne's Official Music Store today!